remove deprecation

Appraisals

@@ -16,10 +16,4 @@ appraise 'activerecord-7.1' do
     gem 'activerecord', '~> 7.1.0'
     gem 'pg'
     gem 'mysql2', '~> 0.5'
-end
-
-appraise 'activerecord-7.1' do
-    gem 'activerecord', '~> 7.1.0'
-    gem 'pg'
-    gem 'trilogy'
 end

gemfiles/activerecord_7.1.gemfile

@@ -4,7 +4,7 @@ source "https://rubygems.org"
 
 gem "activerecord", "~> 7.1.0"
 gem "pg"
-gem "trilogy"
+gem "mysql2", "~> 0.5"
 
 group :local_development do
   gem "guard"

spec/support/database.rb

@@ -18,18 +18,14 @@
 else
   ActiveRecord::Base.default_timezone = :utc
 end
-config = if ActiveRecord.version >= Gem::Version.new('6.1.0')
-           ActiveRecord::Base.configurations.configs_for(env_name: db_name)
-         else
-           ActiveSupport::HashWithIndifferentAccess.new(ActiveRecord::Base.configurations[db_name])
-         end
+config = ActiveRecord::Base.configurations.configs_for(env_name: db_name)
 
 begin
   ActiveRecord::Base.establish_connection(db_name.to_sym)
   ActiveRecord::Base.connection
 rescue StandardError
   case db_name
-  when /mysql/
+  when /(mysql)/
     ActiveRecord::Base.establish_connection(config.merge('database' => nil))
     ActiveRecord::Base.connection.create_database(config['database'],
                                                   { charset: 'utf8', collation: 'utf8_unicode_ci' })